Jules Verne,
The Master of the World — Chapter 2
(1904)
“ But there is also reason to ask, if these phenomena about the Great Eyrie are not a source of continued danger to the people there, if they are not forerunners of some disaster as terrible as it is mysterious.""It is to be feared, sir.""So we must know, Strock, what is inside of that mountain. If we are helpless in the face of some great force of nature, people must be warned in time of the danger which threatens them." ”
